2443878 has 32 divisors (see below), whose sum is σ = 5483520. Its totient is φ = 806760.

The previous prime is 2443871. The next prime is 2443879. The reversal of 2443878 is 8783442.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8883 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (171360).

2^2443878 is an apocalyptic number.

2443878 is an abundant number, since it is smaller than the sum of its proper divisors (3039642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2443878 is a wasteful number, since it uses less digits than its factorization.

2443878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 443 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 2443878 is about 1563.2907599036. The cubic root of 2443878 is about 134.6975947110.

It can be divided in two parts, 2443 and 878, that added together give a triangular number (3321 = T₈₁).

The spelling of 2443878 in words is "two million, four hundred forty-three thousand, eight hundred seventy-eight".